Ona Therapeutics
PrivateLast Round
Series B
Jun 4, 2026
Total Funding Raised
$135.08M
Momentum
Top 5%
of companies Caplight tracks
Company Overview
Ona Therapeutics operates in Healthcare & Life Sciences and is based in Barcelona. Its latest recorded funding round was a Series B round in June 2026.
Ona Therapeutics is a biotechnology company that develops first-in-class antibody-drug conjugates (ADCs) to address treatment-resistant cancers.
Sector
Healthcare & Life Sciences
Verticals
Biotechnology, Drug Discovery
Business Model
B2B
Customer Profile
Services & Consulting
AI Layer
Non-AI
Historical Pricing
Historical view of private secondary pricing and transaction trends.
Ona Therapeutics Comparables
Compare Ona Therapeutics with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| Adcendo | 81% | |
| Adcentrx Therapeutics | 80% | |
| Novartis | 80% |
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Ona Therapeutics Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Series B | Jun 4, 2026 | ||||
| Series A | Oct 9, 2025 | ||||
| Series A | Jun 16, 2020 | ||||
| Seed | May 21, 2019 |
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Key People
Founding team and executive leadership
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Ona Therapeutics Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| Asabys Partners | Series A, Series B, Seed |
| Alta Life Sciences | Series A, Series B |
| Fund+ | Series A, Series B |
| Korys | Series B |
| Ysios Capital | Series A, Series B |
| Center for Technological Development and Innovation | Series B, Series A |
| Aliath Bioventures | Series B |
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Market signals
Structured signals derived from secondary market and firmographic data.
- Sep 3, 2026
Grew 17% QoQ, from 35 to 41 employees.
- Aug 22, 2026
Monthly visitors grew 106% MoM, reaching 5.6K.
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Recent news
Latest coverage and updates
- hiresSep 25, 2026
Ona Therapeutics appointed Aleix Prat, MD, PhD, as Chief Medical Officer to support its clinical-stage oncology pipeline in Spain on Sep 24th '26.
- partners_withSep 17, 2026
Ona Therapeutics and WuXi XDC partner as WuXi XDC grants Ona Therapeutics an exclusive global license to the WuXiTecan-2 payload-linker platform for an ADC candidate against a single target, with WuXi XDC providing CMC development and manufacturing support, in China on Sep 17th '26.
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Ona Therapeutics Filings
Explore SEC and related filing metadata, where available.
| Type | Date | Amount Offered | Amount Sold | Filing | Pages | Download |
|---|
Filing documents are not displayed on this public page. Request access to learn about available coverage.
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Frequently Asked Questions
Common questions about Ona Therapeutics's valuation, stock price, and market status.
Is Ona Therapeutics a public or private company?
Ona Therapeutics is a private company.
What is the current stock price of Ona Therapeutics?
Ona Therapeutics is a private company, so its shares have no public market price. Caplight tracks Ona Therapeutics's secondary market activity and provides MarketPrice™ estimates of its share price to Caplight users.
How much is Ona Therapeutics worth (valuation)?
Valuation information for Ona Therapeutics is not publicly available.
Can I buy Ona Therapeutics stock?
Ona Therapeutics shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors.
When was Ona Therapeutics's last funding round?
Ona Therapeutics's most recent funding round was Series B on June 4, 2026.
Who are the main investors in Ona Therapeutics?
Key investors in Ona Therapeutics include Asabys Partners, Center for Technological Development and Innovation, Columbus Venture Partners, Mérieux Equity Partners.
Will Ona Therapeutics IPO soon?
No public IPO plans have been announced for Ona Therapeutics.
How can I track Ona Therapeutics secondary market activity?
Caplight tracks bids, offers, and trades in Ona Therapeutics's shares on secondary markets.